Common Cold

The common cold is the most frequent infectious disease in humans with the average adult contracting two to four infections a year and the average child contracting between 6–12. Collectively, colds, influenza, and other infections with similar symptoms are included in the diagnosis of influenza-like illness. They may also be termed upper respiratory tract infections (URTI).

The common cold is a viral infectious disease caused primarily by rhinoviruses and coronaviruses, mostly in the nose and throat. Common symptoms include a cough, sore throat, runny nose, and fever.

The common cold is generally harmless but may be dangerous for infants and other high-risk groups. Adults experience colds less frequently than children, due to having a more developed immune system.

There is currently no known treatment that shortens the duration; however, symptoms usually resolve spontaneously in 7 to 10 days, with some symptoms possibly lasting for up to three weeks.

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